Home / 688,519.20-1,032,778.80-684,582.60

Finding the Fourth Proportional to 688,519.20, 1,032,778.80 and 684,582.60

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Solution

The fourth proportional to 688,519.20, 1,032,778.80 and 684,582.60 is: 1,026,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,519.20 : 1,032,778.80 = 684,582.60 : x
  2. Step 2: Convert to fraction form
    688,519.20/1,032,778.80 = 684,582.60/x
  3. Step 3: Cross multiply
    688,519.20x = 1,032,778.80 × 684,582.60
  4. Step 4: Simplify right side
    688,519.20x = 707,022,396,128.88
  5. Step 5: Solve for x
    x = 707,022,396,128.88/688,519.20
  6. Step 6: Final answer
    x = 1,026,873.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.